MRI method and apparatus with elimination of the ambiguity...

Details MRI method and apparatus with elimination of the ambiguity... MRI method and apparatus with elimination of the ambiguity...

2006-09-19

2006-09-19

Arana, Louis M. (Department: 2859)

Electricity: measuring and testing

Particle precession resonance

Using a nuclear resonance spectrometer system

C324S307000

Reexamination Certificate

active

07109711

ABSTRACT:
In a method for magnetic resonance imaging, by combined switching of radio-frequency excitation pulses, slice selection gradient pulses, phase-coding gradient pulses and readout gradient pulses, a matrix in the k-space is scanned row-by-row and transformed using a Fourier transformation into a matrix in the spatial domain, with the polarity of the slice selection gradient being inverted during the scanning of the k-matrix, allowing elimination of the ambiguity artifact.

REFERENCES:
patent: 4959611 (1990-09-01), Brovost et al.
patent: 6498485 (2002-12-01), Miyosi et al.
patent: 2002/0101237 (2002-08-01), Miyosi et al.
“RARE Imaging: A Fast Imaging Method for Clinical MR,” Hennig et al, Mag. Res. In Med., vol. 3 (1986) pp. 823-833.

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